/* Signal & Rank — shared stylesheet
   Clean service aesthetic, same system as The Batch Report.
   No frameworks, no external assets. */

:root{
  --bg:#FAFAF7;
  --ink:#14181D;
  --ink-soft:#3C434D;
  --muted:#6A7180;
  --accent:#2451E6;
  --accent-dark:#1A3DB3;
  --line:#E4E2D9;
  --card:#FFFFFF;
  --good:#1E7A46;
  --serif:Charter,Georgia,"Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

/* ---------- Layout ---------- */
.wrap{max-width:1060px;margin:0 auto;padding:0 20px}
.article-col{max-width:760px;margin:0 auto}

/* ---------- Masthead ---------- */
.masthead{border-bottom:2px solid var(--ink);background:var(--bg)}
.masthead-inner{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:10px 24px;padding:22px 0 16px}
.wordmark{font-family:var(--serif);font-weight:700;font-size:30px;letter-spacing:-0.5px;color:var(--ink)}
.wordmark:hover{text-decoration:none}
.wordmark .idx{color:var(--accent)}
.tagline{font-size:12.5px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}
.mainnav{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.mainnav-inner{display:flex;flex-wrap:wrap;gap:4px 26px;padding:9px 0}
.mainnav a{color:var(--ink);font-size:14.5px;font-weight:600;letter-spacing:.01em}
.mainnav a:hover{color:var(--accent);text-decoration:none}
.mainnav a[aria-current="page"]{color:var(--accent)}

/* ---------- Type ---------- */
h1,h2,h3{font-family:var(--serif);line-height:1.2;color:var(--ink)}
h1{font-size:40px;letter-spacing:-0.6px;margin:0 0 14px}
h2{font-size:27px;letter-spacing:-0.3px;margin:44px 0 12px}
h3{font-size:20px;margin:28px 0 8px}
p{margin:0 0 16px}
.lede{font-size:20px;line-height:1.55;color:var(--ink-soft)}
.eyebrow{font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:0 0 12px}
.small{font-size:14px;color:var(--muted)}
ul,ol{margin:0 0 16px;padding-left:22px}
li{margin-bottom:7px}
hr.sep{border:0;border-top:1px solid var(--line);margin:40px 0}

/* ---------- Hero ---------- */
.hero{padding:56px 0 8px}
.hero h1{font-size:46px;max-width:820px}
.hero .lede{max-width:700px}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:20px;font-size:14px;color:var(--muted)}

/* ---------- Buttons ---------- */
.btn{display:inline-block;background:var(--accent);color:#fff;font-weight:600;font-size:15.5px;padding:11px 22px;border-radius:6px;border:1px solid var(--accent)}
.btn:hover{background:var(--accent-dark);text-decoration:none}
.btn-ghost{display:inline-block;background:transparent;color:var(--accent);font-weight:600;font-size:15px;padding:10px 18px;border-radius:6px;border:1px solid var(--accent)}
.btn-ghost:hover{text-decoration:none;background:#EEF2FE}

/* ---------- Badges ---------- */
.badge{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;padding:3px 10px;border-radius:99px;border:1px solid var(--accent);color:var(--accent);background:#EEF2FE;vertical-align:middle}
.badge-neutral{border-color:var(--line);color:var(--ink-soft);background:var(--card)}

/* ---------- Tables ---------- */
table{width:100%;border-collapse:collapse;margin:18px 0 26px;font-size:15.5px;background:var(--card)}
th,td{text-align:left;padding:11px 13px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);border-bottom:2px solid var(--ink)}
tr:last-child td{border-bottom:0}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* ---------- Cards / sections ---------- */
.cardgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;margin:20px 0}
.card{border:1px solid var(--line);background:var(--card);border-radius:10px;padding:22px}
.card h3{margin-top:0}
.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:34px 0;margin:44px 0}
.strip h2{margin-top:0}
.callout{border-left:3px solid var(--accent);background:#F1F4FD;padding:16px 20px;border-radius:0 8px 8px 0;margin:22px 0}
.callout p:last-child{margin-bottom:0}
.notice{border:1px solid var(--line);background:var(--card);border-radius:8px;padding:14px 18px;font-size:14.5px;color:var(--ink-soft);margin:20px 0}

/* ---------- Pricing ---------- */
.price{font-family:var(--serif);font-size:38px;font-weight:700;line-height:1.05;margin:6px 0 2px}
.price small{font-size:15px;color:var(--muted);font-weight:400;font-family:var(--sans)}
.price-card{position:relative;display:flex;flex-direction:column}
.price-card ul{flex:1}
.price-card .btn,.price-card .btn-ghost{text-align:center}
.price-flag{position:absolute;top:-13px;right:18px;background:var(--accent);color:#fff;font-size:11.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;padding:4px 12px;border-radius:99px}
.price-popular{border:2px solid var(--accent)}

/* ---------- Article ---------- */
.article-body h2{margin-top:38px}
.sample-label{display:flex;flex-wrap:wrap;align-items:center;gap:10px;border:1px dashed var(--accent);background:#EEF2FE;border-radius:8px;padding:12px 16px;margin:26px 0;font-size:14.5px;color:var(--ink-soft)}
.sample-label strong{color:var(--accent)}

/* ---------- FAQ ---------- */
.faq h3{margin-top:30px}
.faq h3:first-child{margin-top:0}

/* ---------- Lead form (free ranking check) ---------- */
.check-form{border:1px solid var(--line);background:var(--card);border-radius:10px;padding:24px;margin:22px 0}
.check-form label{display:block;font-weight:600;font-size:15px;margin:16px 0 5px}
.check-form label:first-of-type{margin-top:0}
.check-form input[type="text"],.check-form input[type="email"],.check-form select{display:block;width:100%;font:inherit;font-size:16px;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:10px 12px}
.check-form input:focus,.check-form select:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
.check-form button{margin-top:22px;cursor:pointer;width:100%;font-size:16.5px;padding:13px 22px}
.check-form .small{margin:12px 0 0;text-align:center}

/* ---------- Footer ---------- */
.sitefoot{border-top:2px solid var(--ink);margin-top:64px;padding:30px 0 46px}
.sitefoot .foot-brand{font-family:var(--serif);font-weight:700;font-size:19px;margin-bottom:6px}
.footnav{display:flex;flex-wrap:wrap;gap:6px 22px;margin:14px 0}
.footnav a{color:var(--ink-soft);font-size:14.5px}
.foot-note{font-size:13px;color:var(--muted);max-width:760px}

/* ---------- Responsive ---------- */
@media (max-width:640px){
  body{font-size:16px}
  h1{font-size:31px}
  .hero h1{font-size:34px}
  h2{font-size:23px}
  .masthead-inner{padding:16px 0 12px}
  .wordmark{font-size:25px}
  .price{font-size:33px}
}